dispersion limited operation

Describes cases where the dispersion of a pulse rather than loss of amplitude limits the distance an optical signal can be carried in the fiber. If this is the case, the receiving system may not be able to receive the signal.

dispersion shifted fiber

A single-mode fiber that has it’s zero dispersion wavelength at 1550nm. Dispersion shifted fibers are made so that optimum attenuation and bandwidth are at 1550nm.

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